CVE Vulnerability

CVE-2019-14855

A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855 Issue Tracking Third Party Advisory
https://rwc.iacr.org/2020/slides/Leurent.pdf Exploit Third Party Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html Mailing List Release Notes
https://dev.gnupg.org/T4755 Vendor Advisory
https://usn.ubuntu.com/4516-1/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Information

Published : 2020-03-20 04:15

Updated : 2022-11-08 02:28

NVD link : CVE-2019-14855

Mitre link : CVE-2019-14855

Products Affected
No products.
CWE
CWE-328

Use of Weak Hash